Boa Tarde Luiz,
Se voce quiser um em exemplo em run-time e que use serializacao, aqui vai
um:
//DRAGFRAME
import java.awt.*;
import java.awt.dnd.*;
import java.awt.datatransfer.*;
import javax.swing.*;
import java.io.*;
public class DragFrame extends JFrame implements DragSourceListener,
DragGestureListener {
private List lFiles;
private JTextField NButton;
private JButton SButton, LButton, RButton;
private JPanel myDragObject;
public DragFrame(){
setLocation(0,0);
setSize(400,300);
setTitle("Drag Frame");
myDragObject = new JPanel(new BorderLayout());
setContentPane(myDragObject);
/* NButton = new JTextField("NORTH");
myDragObject.add(NButton,BorderLayout.NORTH);
SButton = new JButton("NORTH");
myDragObject.add(SButton,BorderLayout.SOUTH);
RButton = new JButton("NORTH");
myDragObject.add(RButton, BorderLayout.WEST);
LButton = new JButton("NORTH");
myDragObject.add(LButton, BorderLayout.EAST);
*/
File[] files = new File("C:\\").listFiles();
lFiles = new List();
for (int x=0;x < files.length; x++)
lFiles.add(files[x].getName());
Font f = new Font("Dialog", Font.ROMAN_BASELINE, 10);
lFiles.setFont(f);
myDragObject.add(lFiles);
setVisible(true);
DragSource d = DragSource.getDefaultDragSource();
d.createDefaultDragGestureRecognizer(lFiles,DnDConstants.ACTION_MOVE,this);
/* d.createDefaultDragGestureRecognizer(SButton
,DnDConstants.ACTION_MOVE,this);
d.createDefaultDragGestureRecognizer(RButton
,DnDConstants.ACTION_MOVE,this);
d.createDefaultDragGestureRecognizer(LButton
,DnDConstants.ACTION_MOVE,this);
*/ }
//DragSourceListener
public void dragEnter(DragSourceDragEvent dsde){}
public void dragOver(DragSourceDragEvent dsde){}
public void dropActionChanged(DragSourceDragEvent dsde){}
public void dragExit(DragSourceEvent dse){}
public void dragDropEnd(DragSourceDropEvent dsde){
if (dsde.getDropSuccess()){
//myDragObject.remove(dsde. );
//lFiles.remove(lFiles.getSelectedIndex());
System.out.println("Sucess!!");
}
}
//DragGestureListener
public void dragGestureRecognized(DragGestureEvent dge){
try{
ByteArrayOutputStream by = new ByteArrayOutputStream();
ObjectOutputStream oOut = new ObjectOutputStream(by);
oOut.writeObject(lFiles);
byte[] arrayBytes = by.toByteArray();
oOut.close();
StringSelection selection = new StringSelection(new
String(arrayBytes));
dge.startDrag(null,selection, this);
System.out.println("Drag start");
}catch(Exception __e){
System.out.println(__e);
}
}
public static void main(String[] args){
new DragFrame();
new DropFrame();
}
}
/* Back
ByteArrayOutputStream by = new ByteArrayOutputStream();
ObjectOutputStream oOut = new ObjectOutputStream(by);
oOut.writeObject(lFiles);
byte[] arrayBytes = by.toByteArray();
oOut.close();
StringSelection selection = new StringSelection(new
String(arrayBytes));
dge.startDrag(null,selection, this);
System.out.println("Drag start");
*/
// END DRAGFRAME
// DROPFRAME
import java.awt.*;
import java.awt.dnd.*;
import java.awt.datatransfer.*;
import javax.swing.*;
import java.io.*;
public class DropFrame extends JFrame implements DropTargetListener{
private List lFiles;
public DropFrame(){
setSize(400,300);
setTitle("Drop Frame");
getContentPane().setLayout(null);
/* lFiles = new List();
Font f = new Font("Dialog", Font.BOLD & Font.ITALIC, 10);
lFiles.setFont(f);
getContentPane().add(lFiles);
*/
DropTarget d = new
DropTarget(getContentPane(),DnDConstants.ACTION_COPY_OR_MOVE, this);
setLocation(624,0);
setVisible(true);
}
//DropTargetListener
public void dragEnter(DropTargetDragEvent dtde){}
public void dragOver(DropTargetDragEvent dtde){}
public void dropActionChanged(DropTargetDragEvent dtde){}
public void dragExit(DropTargetEvent dte){}
public void drop(DropTargetDropEvent dtde){
try{
String value =
(String)dtde.getTransferable().getTransferData(DataFlavor.stringFlavor);
ObjectInputStream in = new ObjectInputStream( new
StringBufferInputStream(value));
lFiles = (List)in.readObject();
lFiles.setLocation(dtde.getLocation());
getContentPane().add(lFiles);
/*String value =
(String)dtde.getTransferable().getTransferData(DataFlavor.stringFlavor);
lFiles.add(value);
*/
dtde.dropComplete(true);
}catch(Exception __e){
System.out.println(__e);
}
}
}
// END DROPFRAME
-----Mensagem original-----
De: Luiz Fernando Estivalet <[EMAIL PROTECTED]>
Para: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Data: Sábado, 12 de Janeiro de 2002 13:23
Assunto: [java-list] drag e drop
>Quer ter seu próprio endereço na Internet?
>Garanta já o seu e ainda ganhe cinco e-mails personalizados.
>DomíniosBOL - http://dominios.bol.com.br
>
>
>
>
>
>Ola,
>Estou querendo fazer um prototipo que use drag&drop.
>A ideia eh fazer tipo um frontpage em Java, arrastando os
>componentes (text, combo box, check box) para montar uma
>pagina HTML.
>Alguem tem algum exemplo de como fazer isso?
>
>Obirgado,
>Luiz Fernando
>
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